MESON Chess Problem Database
Problem Display
PID: 170131 (b4n2/1n4rp/N3k1pr/2P3Bp/2pQ3P/8/1p3R2/1B2K3 w - - 0 1)
Hartert, Karl
Tages-Anzeiger, 1951
#2
8 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Sxc7#
- 1...Rd7
- 2.Qe4#
- 1...Re7
- 2.Rf6#
- 1...Rf7
- 2.Re2#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rc7
- Tries
- 1.Kd1?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rc7
- 2.Sxc7#
- 1...Re7
- 2.Rf6#
- 1...Rf7
- 2.Re2#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rd7!
- 1...Sxc5
- 1.Kf1?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rc7
- 2.Sxc7#
- 1...Rd7
- 2.Qe4#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rf7!
- 1...Sxc5
- 1.Ke2?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rd7
- 2.Qe4#
- 1...Rc7
- 2.Sxc7#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rf7!
- 1...Sxc5
- 1.Sb4?
- threat
- 2.Qd5#
- 1...Sd6
- 2.Qxd6#
- 1...Rd7
- 2.Qe3#
- 2.Qf6#
- 2.Qe4#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sxc5!
- threat
- 1.Bd8?
- threat
- 2.Rf6#
- 1...Sxd8
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Rf7
- 2.Re2#
- 1...Sd7
- 2.Sc7#
- 1...g5!
- threat
- 1.Rf1?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rd7
- 2.Qe4#
- 1...Rc7
- 2.Sxc7#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rf7!
- 1...Sxc5
- 1.Rf4?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rc7
- 2.Sxc7#
- 1...Rd7
- 2.Qe4#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rf7!
- 1...Sxc5
- 1.Rf5?
- threat
- 2.Qd5#
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rd7
- 2.Qe3#
- 2.Qe5#
- 2.Qf6#
- 2.Qe4#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...gxf5!
- threat
- 1.Rxf8?
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rc7
- 2.Sxc7#
- 1...Rd7
- 2.Qe4#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...c3
- 2.Ba2#
- 1...Rf7!
- 1...Sxc5
- 1.Qe3+?
- 1...Kd5
- 2.Sb4#
- 2.Qe4#
- 1...Kd7!
- 1...Kd5
- 1.Qf6+?
- 1...Kd5
- 2.Rd2#
- 1...Kd7!
- 1...Kd5
- 1.Qxc4+?
- 1...Ke5
- 2.Bf6#
- 2.Re2#
- 2.Qe4#
- 1...Kd7!
- 1...Ke5
- 1.Qg4+?
- 1...Kd5
- 2.Qe4#
- 1...Ke5
- 2.Qe4#
- 1...hxg4!
- 1...Kd5
- 1.c6?
- 1...Rf7
- 2.Re2#
- 1...Rc7
- 2.Sxc7#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Rd7!
- 1...Rf7
- 1.Kd1?
- Keys
- 1.Rf3!
- 1...Sxc5
- 2.Sxc5#
- 1...Sd6
- 2.Qxd6#
- 1...Rf7
- 2.Re3#
- 1...Rc7
- 2.Sxc7#
- 1...Rd7
- 2.Qe4#
- 1...Re7
- 2.Rf6#
- 1...Rg8
- 2.Sc7#
- 1...Sa5
- 2.Qd6#
- 1...Sd8
- 2.Qd6#
- 1...Sd7
- 2.Sc7#
- 1...c3
- 2.Ba2#
- 1...Sxc5
- 1.Rf3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::QAR2(D)
- R(h);SBLOCK::R1(C)
- R(h);SBLOCK::R(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::R1(C)
- R(h);SBLOCK::R(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);P_PINQ(D)
- Try
- K(B);P-FLIGHT
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::QAR2(D)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);P_PINR(C)
- Try
- K(B);P-FLIGHT
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);SBLOCK::QAR2(D)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);
- Try
- S(H);
- Threat
- QAB1(D)
- Vars
- S(g);N_GUARD::QAR1(D),XS(g)
- S(g);N_GUARD::QAR1(D)
- Refutation
- S(g);XP(F)
- Try
- B(G);
- Threat
- R1(C)
- Vars
- S(g);N_GUARD,XB(G)::QAR1(D)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);SBLOCK::R(C)
- S(k);S_CUTR(h)::S(H)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);SBLOCK::QAR2(D)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);
- Try
- R(C);
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::QAR2(D)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);
- Try
- R(C);
- Threat
- QAB1(D)
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- S(g);N_GUARD::QAR1(D)
- Refutation
- P(e);XR(C)
- Try
- R(C);XS(k)
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::QAR2(D)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- P(b);OGATEB::B(A)
- Refutation
- R(h);
- Try
- Q(D);CHECK
- Refutation
- K(d);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(d);S_FLIGHT::R(C)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(D);CHECK,XP(b)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(d);S_FLIGHT::QAB1(D)
- K(d);P-FLIGHT::QAR1(D)
- Refutation
- P(c);XQ(D)
- Try
- P(F);
- Vars
- R(h);SBLOCK::R(C)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD::S(H),XS(g)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
- Refutation
- R(h);
- Try
- Actual
- R(C);
- Vars
- S(g);XP(F)::S(H),XS(g)
- S(g);N_GUARD::QAR1(D),XS(g)
- R(h);SBLOCK::R(C)
- R(h);N_GUARD::S(H),XR(h)
- R(h);SBLOCK::QAR2(D)
- R(h);SBLOCK::R1(C)
- R(h);N_GUARD::S(H)
- S(g);N_GUARD::QAR1(D)
- S(k);S_CUTR(h)::S(H)
- P(b);OGATEB::B(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).